Replace Pass() with std::move in ui/ozone

ui/ozone/platform/drm/gpu/drm_device_manager.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/ozone/platform/drm/gpu/drm_device_manager.h"
 
 #include "base/file_descriptor_posix.h"
 #include "base/single_thread_task_runner.h"
 #include "ui/ozone/platform/drm/gpu/drm_device.h"
 #include "ui/ozone/platform/drm/gpu/drm_device_generator.h"
@@ skipping 11 matching lines @@
   }
 
  private:
   base::FilePath path_;
 };
 
 }  // namespace
 
 DrmDeviceManager::DrmDeviceManager(
     scoped_ptr<DrmDeviceGenerator> drm_device_generator)
-    : drm_device_generator_(drm_device_generator.Pass()) {
-}
+    : drm_device_generator_(std::move(drm_device_generator)) {}
 
 DrmDeviceManager::~DrmDeviceManager() {
   DCHECK(drm_device_map_.empty());
 }
 
 bool DrmDeviceManager::AddDrmDevice(const base::FilePath& path,
                                     const base::FileDescriptor& fd) {
   base::File file(fd.fd);
   auto it =
       std::find_if(devices_.begin(), devices_.end(), FindByDevicePath(path));
   if (it != devices_.end()) {
     VLOG(2) << "Got request to add existing device: " << path.value();
     return false;
   }
 
-  scoped_refptr<DrmDevice> device =
-      drm_device_generator_->CreateDevice(path, file.Pass(), !primary_device_);
+  scoped_refptr<DrmDevice> device = drm_device_generator_->CreateDevice(
+      path, std::move(file), !primary_device_);
   if (!device) {
     LOG(ERROR) << "Could not initialize DRM device for " << path.value();
     return false;
   }
 
   if (!primary_device_)
     primary_device_ = device;
 
   devices_.push_back(device);
   return true;
@@ skipping 37 matching lines @@
     return primary_device_;
 
   return it->second;
 }
 
 const DrmDeviceVector& DrmDeviceManager::GetDrmDevices() const {
   return devices_;
 }
 
 }  // namespace ui